Finding the Fourth Proportional to 9,155.94, 12,625.74 and 7,834.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.94 : 12,625.74 = 7,834.02 : x
2. Step 2: Convert to fraction form
   9,155.94/12,625.74 = 7,834.02/x
3. Step 3: Cross multiply
   9,155.94x = 12,625.74 × 7,834.02
4. Step 4: Simplify right side
   9,155.94x = 98,910,299.67
5. Step 5: Solve for x
   x = 98,910,299.67/9,155.94
6. Step 6: Final answer
   x = 10,802.86